3809082 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3809082 > 2 > ChemIDplus > 109423009 > 109423-00-9 164252-37-3 1H,4H,5H,8H-2,3a,4a,6,7a,8a-Hexaazacyclopenta(def)fluorene-4,8-dione, hexahydro-2,6-bis(2,2,6,6-tetramethyl-4-piperidinyl)- > 109423-00-9 164252-37-3 > 109423009 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=109423009 $$$$